Toothbrush



FIG. 1 a perspective view of a toothbrush showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a further perspective view shown with environmental structure illustrating how the claimed design may appear while in use.

The broken lines in the drawings show environmental features only which form no part of the claimed design. 

CLAIM I claim, the ornamental design for a toothbrush, as shown and described. 